Reports on data collected about demographic characteristics of persons observed by Federal law enforcement officers. The Bureau of Justice Statistics, working with the Bureau of Transportation Statistics (BTS), contracted Humanalysis, Inc., of Orlando, Florida, to conduct observational studies at two sites: 1) Immigration and Naturalization Service (INS) Border Patrol Checkpoint along Interstate 5 in San Clemente, California, and 2) the Detroit Metropolitan Airport. The electronic only report describes findings from both data collections and assesses the difficulties in implementing this kind of study.

This study was supported by Bureau of Transportation Statistics contract number DTTS59-01-F-10151 to Humanalysis, Inc. The contents of this document do not necessarily reflect the views or policies of the Bureau of Justice Statistics, the U.S. Department of Justice, the Bureau of Transportation Statistics, or the U.S. Department of Transportation.